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Finding the Third Proportional to 643,714,492.50 and 1,390,336,596

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Solution

The third proportional to 643,714,492.50 and 1,390,336,596 is: 3,002,939,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,714,492.50 : 1,390,336,596 = 1,390,336,596 : x
  2. Step 2: Convert to fraction form
    643,714,492.50/1,390,336,596 = 1,390,336,596/x
  3. Step 3: Cross multiply
    643,714,492.50x = 1,390,336,596 × 1,390,336,596
  4. Step 4: Simplify right side
    643,714,492.50x = 1,933,035,850,176,867,328
  5. Step 5: Solve for x
    x = 1,933,035,850,176,867,328/643,714,492.50
  6. Step 6: Final answer
    x = 3,002,939,770.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.